15 and 25.
20, 40
Itself and any of its multiples that ends with a 5
1 x 5 = 5 3 x 5 = 15
odd multiples of 7 are odd numbers.. like 7*1, 7*3,7*5..
No as 5, 15 and an infinite amount of other multiples of 5 are odd
No. Only odd numbers that are multiples of five.
An odd number is an number that can't be divided by two evenly.Odd numbers are not multiples of 2, and end with 1, 3, 5, 7 or 9.
they all don't 5*2=10 so all of them do not end in 5 just a half .. even multiples ends with 0, odd multiples ends with 5.
Any number ending in 5.
That happens because 5 is an odd number. An odd number times an odd number will give you an odd product; an odd number times an even number will give you an even product. The same happens for the multiples of any other odd number.
5 is an odd number the prime factorization is 1times 5 and 5 times 1numbers which are multiples of 2 are called even no.s and others are odd numbers.
Oh, isn't that a happy little math problem! We take the sum of all the odd multiples of five from 1 to 2007, which is 5 + 15 + 25 + ... + 2005. This sum is 100,040,000. When we divide this by ten, we get a remainder of 0, like a peaceful little stream flowing gently through the forest.